user
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Construct a valid question about the article you just read.

### Input:
Article: 

Scientists have discovered a new species of fish in the Amazon river.

### Response:
assistant
What special adaptations does this new species of fish have that allowed it to survive in the Amazon river?